Finding the Fourth Proportional to 998,746,007.20, 1,497,747,404.40 and 343,513,117.60
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Solution
The fourth proportional to 998,746,007.20, 1,497,747,404.40 and 343,513,117.60 is: 515,141,864.45
Step by Step Solution
- Step 1: Write the proportion equation
998,746,007.20 : 1,497,747,404.40 = 343,513,117.60 : x - Step 2: Convert to fraction form
998,746,007.20/1,497,747,404.40 = 343,513,117.60/x - Step 3: Cross multiply
998,746,007.20x = 1,497,747,404.40 × 343,513,117.60 - Step 4: Simplify right side
998,746,007.20x = 514,495,880,262,752,000 - Step 5: Solve for x
x = 514,495,880,262,752,000/998,746,007.20 - Step 6: Final answer
x = 515,141,864.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.